migration

PediFoodsTests/ImageSourceResolverTests.swift

@@ -0,0 +1,46 @@
+import Foundation
+import Testing
+@testable import PediFoods
+
+@Test("ImageSourceResolver returns nil for nil, empty, or whitespace-only input")
+func imageSourceResolverNilOnEmptyInput() {
+    #expect(ImageSourceResolver.resolve(nil) == nil)
+    #expect(ImageSourceResolver.resolve("") == nil)
+    #expect(ImageSourceResolver.resolve("   ") == nil)
+}
+
+@Test("ImageSourceResolver passes absolute http/https URLs through unchanged")
+func imageSourceResolverPassesAbsoluteURLsThrough() {
+    #expect(ImageSourceResolver.resolve("https://cdn.example.com/img.png") == "https://cdn.example.com/img.png")
+    #expect(ImageSourceResolver.resolve("http://cdn.example.com/img.png") == "http://cdn.example.com/img.png")
+}
+
+@Test("ImageSourceResolver treats the http/https scheme check case-insensitively")
+func imageSourceResolverSchemeCheckIsCaseInsensitive() {
+    let resolved = ImageSourceResolver.resolve("HTTPS://cdn.example.com/img.png")
+    #expect(resolved == "HTTPS://cdn.example.com/img.png")
+}
+
+@Test("ImageSourceResolver passes data:image URLs through unchanged")
+func imageSourceResolverPassesDataImageURLsThrough() {
+    let dataURL = "data:image/png;base64,iVBORw0KGgo="
+    #expect(ImageSourceResolver.resolve(dataURL) == dataURL)
+}
+
+@Test("ImageSourceResolver normalizes JSON-escaped backslash-slashes before checking the scheme")
+func imageSourceResolverNormalizesEscapedSlashes() {
+    let escaped = "https:\\/\\/cdn.example.com\\/img.png"
+    #expect(ImageSourceResolver.resolve(escaped) == "https://cdn.example.com/img.png")
+}
+
+@Test("ImageSourceResolver prefixes a relative path with the API base URL")
+func imageSourceResolverPrefixesRelativePathWithBaseURL() {
+    let resolved = ImageSourceResolver.resolve("uploads/img.png")
+    #expect(resolved == "\(ApiConfig.baseURL.absoluteString)/uploads/img.png")
+}
+
+@Test("ImageSourceResolver doesn't double the leading slash for an already-rooted relative path")
+func imageSourceResolverDoesNotDoubleLeadingSlash() {
+    let resolved = ImageSourceResolver.resolve("/uploads/img.png")
+    #expect(resolved == "\(ApiConfig.baseURL.absoluteString)/uploads/img.png")
+}